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alexandr1967 [171]
3 years ago
7

Which of the following structures or systems is correctly paired with its function?

Biology
2 answers:
Savatey [412]3 years ago
7 0

Answer:

Central nervous system - processes information and controls responses

this is the only one with the correct definition. i looked it up and took the test. its the only one that makes sense.

hope it helps :)

Anvisha [2.4K]3 years ago
3 0
<span>I think I'd go with this one: Central nervous system - processes information and controls responses. It looks like correct pair.</span>
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A student decided to investigate the effect of pH on the activity of the enzyme lipase , five different test tubes are set up ,e
castortr0y [4]

Answer:

the pH

Explanation:

The condition that should not be kept the same in each of the five test tubes is the pH.

Since <u>the aim of the experiment is to investigate the effect of pH on the activity of the lipase enzyme</u>, the pH is, therefore, the <em>independent variable</em>. Thus, it must be controlled or varied in all the test tubes in order to see its effect on the activity of the enzyme, which, in this case, would be the dependent variable.

6 0
3 years ago
Look at the diagram of the cell membrane. Would a cell membrane be able to function in the same
oksian1 [2.3K]

Explanation:

The membrane would be too rigid. The unsaturated fatty acids allow the membrane components to maintain their fluid mosaic structure-the components slip past each other freely and adjust to changes in osmotic pressure within the cell.

Further Explanation:

Lipids consist of fatty acids forming the hydrophobic tail and glycerol forming the hydrophilic head; glycerol is a 3-carbon alcohol that is water-soluble, while the fatty acid tail is a long chain hydrocarbon (carbon-backed hydrogen) of up to 36 carbohydrates.

Their polarity or arrangement can confer hydrophilic and hydrophobic properties on these non-polar macromolecules. Small water molecules can pass through the phospholipid bilayer through diffusion into the extracellular fluid or cytoplasm as a semi-permeable membrane, both of which are hydrophilic and contain large concentrations of polar water molecules or other water soluble compounds. The heads of the bilayer are hydrophilic the bilayer are attracted to water while their water-repellent hydrophobic tails face towards each other- allowing molecules of water to diffuse across the membrane along the concentration gradient.

Other components include:

  • Cholesterol: The comparatively rigid cholesterol anchors other molecules attached to the membrane, maintains membrane stability or structural integrity, and helps to separate some lipids, helping with membrane fluidity at low ambient temperatures.
  • Transmembrane proteins are embedded from the extracellular fluid into the cytoplasm within the membrane, and are sometimes attached to glycoproteins (proteins attached to carbohydrates) that function as cell surface marker.

Learn more about membrane components at brainly.com/question/1971706

Learn more about plasma membrane transport at brainly.com/question/11410881

#LearnWithBrainly

7 0
3 years ago
Seema knows the mass of a basketball. What other information is needed to find the ball’s potential energy?
evablogger [386]
I think this is actually a physics question- 
gravitational potential energy = mass*g*height. We know mass and g is constant, so all we need to know is the height of the basketball.

Hope this helps :)
8 0
3 years ago
I'LL GIVE BRAINLIEST!!!!! PLEASE HELP!!!!!
Rufina [12.5K]

Answer:

results will be more accurate if there is a larger sample size.  

No matter what research is, the larger sample size is, the more accurately will be the results and vice versa. The larger samples increase a chance of significance because they reflect the population mean more reliably.

With small sample, the chance for false conclusions is higher.

Explanation:

4 0
3 years ago
A. create a data table to compare and contrast the physical features of the three skeletons.
Natalija [7]

Comparing the physical features of the three types of skeletons

<u>Endoskeleton :</u>                                        

Less Flexible than cartilage    

<u>Exoskeleton :</u>

very rigid and hard    

<u>Hydrostatic skeletons  </u> :  

Less rigid and very flexible

<h3>Physical difference of the types of skeletons </h3>

The endoskeleton is the internal skeleton present in vertebrates in the form of bones which enables the movement of animals while supporting the organs of the body to remain in position. they are less flexible when compared to cartilage. Exoskeletons are outer skeletons which protect organisms and also enables them to move freely. They are very rigid and hard.

Hence we can conclude that the comparison between the types of skeletons are as listed above.

Learn more about the types of skeletons : brainly.com/question/8196488

#SPJ1

7 0
2 years ago
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